Outdoor Wood Pellet Furnace

Heat multiple buildings and water. The Maxim M255PE outdoor wood pellet furnace can be installed safely outdoors next to your building.

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Proven reliable technology:

Convenient Operation
Based on your personalized needs, the FireStar II electronic controller automatically controls the water temperature, heat output and air settings. Starting the fire is as easy as pushing a button with the automatic electronic ignition.

Durability and Reliability
Maxim furnaces are manufactured with attention to detail. Every component must meet the highest standards…ours.

Extended Burn Times
The Maxim makes heating easier than ever with its large integrated hopper. This allows heating for several days or more on a single load of fuel.

Easy Operation
The FireStar combustion controller takes the guesswork out of operating.

Overall Efficiency (LHV) – 96.2%*
Overall Efficiency (HHV) – 89.2%*
Manufacturers Rated Heat Output Capacity** – 190,000 Btu/hr

* Efficiencies are determined under the same test conditions using higher heating value, lower heating value and overall efficiency. **Based on EPA qualifying test.

Xp Firestar Phone

Stay Connected No Matter Where You Go

Stay connected to the furnace that saves you money on your heating bills from almost anywhere in the world. Adding the optional FireStar XP Wi-Fi module lets you remotely monitor your Maxim M255 PE furnace if you’re just across town having dinner or half way around the world enjoying your vacation on the beach. You can even set it up to send you email or text notifications.

With the FireStar XP and the real-time graphing interface, not only do you have up-to-the-minute information, but you can also see how your furnace has been operating with charts and data for past performance. With a little experience of your remote furnace monitoring, you’ll learn how factors like heat load, weather conditions, fuel quality and proper maintenance can affect its operation. That can help you optimize the operation of your furnace.

The FireStar XP Outdoor Wi-Fi Module offers wireless monitoring, is internet-enabled, and is available as an option for the Maxim M255 PE.


M255 PE Specifications:

  • Door Size: 15.5″ x 13.5″
  • Weight: 1310 lbs
  • Supply/Return Ports: 1 set of 1-1/4″ supply and return ports, 1 set of 3/4″ supply and return ports
  • Water Capacity: 90 gal.
  • Hopper Capacity: 11 bushel (600 lb)

Furnace Base & Dimensions Illustration


ECL Taupe
Terra Brown | Taupe

Green Olive
Green | Olive Gray



Xp Phone Hand

FireStar XP Outdoor Wi-Fi Module

The FireStar XP Wi-Fi Module can be used to remotely view operational data on the FireStar II controller. Compatible with a properly configured FireStar II equipped Maxim M255 PE with software version 2.5x or higher. Kit includes FireStar XP Outdoor Wi-Fi Module, antenna, wiring, Quickstart Guide, Operator’s Manual and installation instructions.

NOTE: Wireless range varies widely with each installation. Prior to purchase, a site survey (using a smartphone or laptop) should be performed to determine if the furnace site is within range of customer’s existing Wi-Fi network. Range is generally up to 100 feet when unobstructed and there is no interference.

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